Main components

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Part NumberDescription
ESP32-WROOM-32DRF Module, ESP32-D0WD SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD
AMS1117-3.31A Low Dropout regulator, positive, 3.3V fixed output, SOT-223
USB3_1C16PFSMT
CH340E
SW_RST
SW_BOOT

board schematic

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board board layout

board PCB render

Top PCB
Bottom PCB